The Golden Gate Bridge was constructed from January 1933 to May 1937. By then it was the longest suspension bridge in the world, at 4,200 feet. By 6 a.m. on May 27, 18,000 people were lined up on both the San Francisco and Marin sides; in all, some 200,000 showed up that day. Many schools, offices…

An Autoped is an early version of an electric scooter that was made by a New York company Autoped Company. Developed during wartime and gasoline rationing, it was quite efficient, but was not widely distributed. It was produced in the United States from 1915 to 1921 and was manufactured in Germany from 1919 to 1922.